190 



IXDEX, GLOSSARY, AND SYNONYMS 



Uniola, 97 



Upright Brome — Bromus erectiis. 



Also B. madritensis 

 Uses of grasses, 1, 2 



V-shaped leaf-sections, 20, 53, 73 

 Vagabond grasses, 29, 32, 84 

 Variability, 26 

 Vascular bundles, 21, 22, 62, 63, 



64, 65, 66, 67, 68, 69, 70, 71, 75, 



76, 78, 80, 81 

 Vascular-bundle sheath, 68, 95, 



12:i 

 Vegetative organs, 4 

 Veins, 18, 21, 22, 68, 76, 91 

 Venation, 21, 62, 67, 68 

 Vermin, 35 



Vernal grass — Anthoxanthum, 83 

 Vernation— folding of the leaves in 



bud, 21 

 Versatile — hung loosely so as to 



turn freely, 94 

 Vessels, 67 



Violet-brown sheath, 18 

 Viviparous grasses, 112, 114, 134 

 Vidpia 2Iyurus~Festuca Myurm ; 



V. uniglumis — Festuca uniglumis 



Wall Barley — Hordenm murimim 

 Wall Fescue — Festuca Mijurus 

 Walls, grasses of, 29 

 Waste-places, 29 

 Water-storing tissues, 36, 70 

 Water Whorl-grass — Catabrosa 



aquatica 

 Wavy Hair-grass — Aira Jiexuosa 

 Wavy Meadow-grass — Poa laxa 

 Wax", 36, 70 



Web — minute tufted soft hairs at 

 the base of the caryopsis, 113, 

 114, 127, 131, 138, 139, 140, 

 141 



Weeds, 27, 28, 29, 35 



Wheat— Triticum, 1, 120, 127, 132, 

 133 



Wheat-grass — Agropyriim 



Whorl-grass — Catabrosa 



Wild Oat — Avena fatua, 117 



Wind-borne seeds, 125, 126 



Wings, 125, 142 



Wood Barley — Hordeum sylvaticum 



WoodFalse-Brome — Brachy podium 

 sylvaticum 



Wood Meadow-grass — Poa nemo- 

 rails 



Wood Melick — Melica uiiifiora 



Wood Foa — Poa nemoralis 



Wood-species, 28, 33 



Woolly Holcus — Holcus lanatus 



Xenia — cases where the direct 

 influence of the pollen is evident 

 on the seed resulting from its 

 action, 120 



Xerophilous — of the nature of a 

 xerophyte, 70 



Xerophytes — plants adapted to dry 

 situations, 24, 25, 36, 37, 38, 68, 

 70 



Xylem, 67 



Yellow Oat-grass — Avena flavescens 

 Yellow- sheathed grasses, 18 

 Yorkshire Fog — Holcus lanatus, 152 



Zoster a, 3 



rmfmn ls^^j?!' 



CAMBRIDGE : PlilN'TED BY JOHN CLAY, M.A. AT THE UNIVERSITY PRESS. 



